DLSw

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DLSw

(Data Link SWitching) An IBM method for integrating and forwarding SNA and LAN traffic over wide area networks (WANs) by encapsulating the data in TCP/IP packets. DLSw supports the SDLC (SNA) and LLC2 (Token Ring) data link protocols and is generally employed in routers. Multiprotocol over frame relay (MPOFR) is a later technology designed to move SNA and LAN traffic over frame relay. See MPOFR.
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Additionally, these new systems provide the high performance required for data-link switching plus (DLSw+) or advanced peer-to-peer networking (APPN).
today announced three new routers: the Cisco 1004 and Cisco 1005, both part of the low-end Cisco 100 series of multiprotocol access products (see Cisco Expands Low-Cost Cisco 1000 Series to Include ISDN Router with Integrated NT1, High-Speed Synchronous Serial Router); and the Cisco 4700, a new router in the Cisco 4000 series of mid-range router products (see Cisco Announces Router Optimized for ATM Backbone Access, IBM Data-Link Switching Internetworking Solutions).

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